class_docstr: For S, S-plus, and R source code.
  
  .. versionadded:: 0.10
code: def analyse_text(text):
      if re.search(r"[a-z0-9_\])\s]<-(?!-)", text):
          return 0.11
  
file_path: catboost/contrib/python/Pygments/py3/pygments/lexers/r.py
imports: import re
  from pygments.lexer import Lexer, RegexLexer, include, do_insertions
  from pygments.token import Text, Comment, Operator, Keyword, Name, String, Number, Punctuation, Generic, Whitespace
label_desc: Use image node_id 1 for calling the SLexer obj's underlying member method code with example usage: obj.analyse_text(text) and returns: int